RateP={(0Pixel   where   A 1<01-(∫_(N=0)^(A 2))f(N) dNPixel   where   0≤A 2≤1   and   A 1<01Pixel   where   1<A 2   and   A 1<01-(∫_(N=A 1)^1)f(N) dNPixel   where   1≤A 2   and   0≤A 1≤10Pixel   where   A 1>1)